CN101943590B - 流量测定装置 - Google Patents

流量测定装置 Download PDF

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Publication number
CN101943590B
CN101943590B CN201010125042XA CN201010125042A CN101943590B CN 101943590 B CN101943590 B CN 101943590B CN 201010125042X A CN201010125042X A CN 201010125042XA CN 201010125042 A CN201010125042 A CN 201010125042A CN 101943590 B CN101943590 B CN 101943590B
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CN
China
Prior art keywords
throttling element
holding member
flow path
primary flow
measuring device
Prior art date
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Active
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CN201010125042XA
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English (en)
Chinese (zh)
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CN101943590A (zh
Inventor
上田直亚
山本克行
前田修治
辻雄二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
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Omron Corp
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Publication date
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Publication of CN101943590A publication Critical patent/CN101943590A/zh
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Publication of CN101943590B publication Critical patent/CN101943590B/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters
    • G01F15/185—Connecting means, e.g. bypass conduits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F5/00—Measuring a proportion of the volume flow
    • G01F5/005—Measuring a proportion of the volume flow by measuring pressure or differential pressure, created by the use of flow constriction
CN201010125042XA 2009-07-01 2010-03-01 流量测定装置 Active CN101943590B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009157205A JP5272930B2 (ja) 2009-07-01 2009-07-01 流量測定装置
JP157205/09 2009-07-01

Publications (2)

Publication Number Publication Date
CN101943590A CN101943590A (zh) 2011-01-12
CN101943590B true CN101943590B (zh) 2012-08-29

Family

ID=42782056

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010125042XA Active CN101943590B (zh) 2009-07-01 2010-03-01 流量测定装置

Country Status (6)

Country Link
US (1) US7866208B1 (ja)
EP (1) EP2270441B1 (ja)
JP (1) JP5272930B2 (ja)
KR (1) KR101148736B1 (ja)
CN (1) CN101943590B (ja)
CA (1) CA2693647C (ja)

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JP5062106B2 (ja) * 2008-09-01 2012-10-31 オムロン株式会社 流量測定装置
US8656772B2 (en) 2010-03-22 2014-02-25 Honeywell International Inc. Flow sensor with pressure output signal
US8113046B2 (en) 2010-03-22 2012-02-14 Honeywell International Inc. Sensor assembly with hydrophobic filter
US8397586B2 (en) 2010-03-22 2013-03-19 Honeywell International Inc. Flow sensor assembly with porous insert
US8756990B2 (en) 2010-04-09 2014-06-24 Honeywell International Inc. Molded flow restrictor
US8418549B2 (en) * 2011-01-31 2013-04-16 Honeywell International Inc. Flow sensor assembly with integral bypass channel
US9003877B2 (en) 2010-06-15 2015-04-14 Honeywell International Inc. Flow sensor assembly
US8695417B2 (en) 2011-01-31 2014-04-15 Honeywell International Inc. Flow sensor with enhanced flow range capability
US9354095B2 (en) * 2012-10-02 2016-05-31 Honeywell International Inc. Modular flow sensor
US9052217B2 (en) 2012-11-09 2015-06-09 Honeywell International Inc. Variable scale sensor
DE102013202852A1 (de) * 2013-02-21 2014-08-21 Landis+Gyr Gmbh Durchflussmesser mit einem in ein Gehäuse einsetzbaren Messeinsatz
DE102013202850A1 (de) * 2013-02-21 2014-08-21 Landis+Gyr Gmbh Durchflussmesser mit einem Schallwandler umfassenden Messeinsatz
JP5904959B2 (ja) 2013-03-08 2016-04-20 日立オートモティブシステムズ株式会社 熱式空気流量計
US20160161307A1 (en) 2014-12-05 2016-06-09 General Electric Company System and method for metering gas
US10760934B2 (en) 2014-12-05 2020-09-01 Natural Gas Solutions North America, Llc Using localized flow characteristics on electronic flow meter to quantify volumetric flow
AT516622B1 (de) * 2015-03-24 2016-07-15 Avl List Gmbh System zur Messung von zeitlich aufgelösten Durchflussvorgängen von Fluiden
US9952079B2 (en) 2015-07-15 2018-04-24 Honeywell International Inc. Flow sensor
CN106123982A (zh) * 2016-06-14 2016-11-16 广州市唯量工控技术有限公司 一种微量精密电子式气体质量流量计
DE112017001284B4 (de) * 2016-06-24 2023-01-26 Hitachi Astemo, Ltd. Thermischer Durchflussmesser
CN110958855B (zh) * 2017-07-26 2023-11-14 西普拉有限公司 用于肺活量计的流量感测装置及其方法
JP7005856B2 (ja) * 2017-11-20 2022-01-24 ミネベアミツミ株式会社 気流測定装置、及びこれを用いた環境測定装置
JP7087811B2 (ja) * 2018-08-10 2022-06-21 オムロン株式会社 流量測定装置、及び流量測定装置を適用した配管設備
BR102018067660A2 (pt) * 2018-09-03 2020-03-17 Salvus Tecnologia Ltda - Epp Dispositivo para medição de fluxo por diferença de pressão para gases
JP7121858B2 (ja) * 2019-06-13 2022-08-18 日立Astemo株式会社 流量測定装置
US11391221B2 (en) 2020-12-16 2022-07-19 Hamilton Sundstrand Corporation Mass flow metering method and system

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WO2001075400A1 (en) * 2000-03-30 2001-10-11 Mks Instruments, Inc. Constant temperature gradient differential thermal mass flow sensor
JP3977773B2 (ja) * 2003-05-26 2007-09-19 シーケーディ株式会社 流量制御装置
CN101194145A (zh) * 2005-05-02 2008-06-04 欧姆龙株式会社 流速测量装置
CN101354273A (zh) * 2008-07-17 2009-01-28 美新半导体（无锡）有限公司 复合式气体流量测量方法及其装置

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JPH0774750A (ja) * 1993-09-01 1995-03-17 Matsushita Electric Ind Co Ltd 無線通信装置
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US6886401B2 (en) * 2003-02-26 2005-05-03 Ckd Corporation Thermal flow sensor having sensor and bypass passages
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JP2008222992A (ja) 2007-03-16 2008-09-25 Fujifilm Corp 膜形成用組成物、絶縁膜及び電子デバイス
US20080250854A1 (en) * 2007-04-12 2008-10-16 Junhua Ding Mass flow device using a flow equalizer for improving the output response

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2001075400A1 (en) * 2000-03-30 2001-10-11 Mks Instruments, Inc. Constant temperature gradient differential thermal mass flow sensor
JP3977773B2 (ja) * 2003-05-26 2007-09-19 シーケーディ株式会社 流量制御装置
CN101194145A (zh) * 2005-05-02 2008-06-04 欧姆龙株式会社 流速测量装置
CN101354273A (zh) * 2008-07-17 2009-01-28 美新半导体（无锡）有限公司 复合式气体流量测量方法及其装置

Also Published As

Publication number Publication date
KR101148736B1 (ko) 2012-05-24
US7866208B1 (en) 2011-01-11
EP2270441A3 (en) 2013-12-18
CN101943590A (zh) 2011-01-12
CA2693647A1 (en) 2011-01-01
CA2693647C (en) 2012-08-21
JP5272930B2 (ja) 2013-08-28
US20110000312A1 (en) 2011-01-06
JP2011013089A (ja) 2011-01-20
KR20110002411A (ko) 2011-01-07
EP2270441A2 (en) 2011-01-05
EP2270441B1 (en) 2014-10-15

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